Description Nicholas Bennett 2006-05-16 19:04:12 EDT

During the paste part of a cut/copy/paste operation, the GMF copy/paste infrastructure adds pasted elements to their new container without first calling EcoreUtil.remove().  For elements that are contained in a feature that supports cross-resource containment, this will correctly set the container of the element at the metamodel level, but will leave it contained within the LoadingEMFResource at the EMF level.  Subsequent post-processing will treat this case as an indication that the paste operation failed and replace the pasted element with a proxy reference.  In the cut/paste scenario, this reference will never be resolvable because the proxy URI refers to the source model for the element, from which it has been removed.  Also, the target resource will have problems saving and reloading because of these dangling hrefs to unresolvable proxies.

Attached is a patch to org.eclipse.gmf.runtime.emf.clipboard.core.ClipboardSupportUtil that fixes this problem.  Please consider applying it.